Sabrina Backeljau has its birthday and that has to be celebrated. Her wish list is anything but modest. But yes, a girl only turns twenty once. A great party is therefore inevitable. Naturally, the practical test follows after Sabrina's theoretical driving test. The driving lessons are a real ordeal for daddy Çois. Still she will have to do a lot to equal the driving behavior of her grandma, because she will get a visit from the police.